Page:Proceedings of the Royal Society of London Vol 60.djvu/13

Rh III. "On the Electrical Resistivity of pure Mercury at the Tempera- ture of Liquid Air." By Professor J. DEWAR, F.R.S., and Dr J. А. FLEMING, F.R.S.

IV. "The Hysteresis of Iron and Steel in a rotating Magnetic Field." Communicated by Professor By Professor F. G. BAILY LODGE, F.R.S

V. "Observations on Atmospheric Electricity at the Kew Observatory." By C. CHREE. Conımunicated by Professor G. CAREY FosTER, F.R.S.

Dr. J. Norman Collie, Dr. A. M. W. Downing, Professor Andrew Gray, Dr. G. J. Hinde, Dr. F. W. Mott, Rev. T. R. R. Stebbing, Professor C. Stewart, Mr. W. E. Wilson, Mr. H. B. Woodward, and Dr. W. P. Wynne were admitted into the Society

A congratulatory Address to Lord Kelvin, prepared for presentation to him on the occasion of the jubilee of his professoriate in the University of Glasgow, was read from the Chair and unanimously adopted

A List of the Presents received was laid on the table, and thanks ordered for them

The following Papers were read:

I. "The Relation between the Refraction of the Elements and their Chemical Equivalents." By Dr. J. H. GLADSTONE, F.R.S.

II. "On the Magnetic Permeability and Hysteresis of Iron at Low Temperatures." By Dr. J. A. FlEminG, F.R.S., and Professor J. DEWAR, FR.S

III. "On certain Changes observed in the Dimensions of Parts of the Carapace of Carcinus moenas." By H. THOMPSON. Communicated by Professor WELDON, F.R.S.

IV. "On the Relation between the Viscosity (Internal Friction) of Liquids and their Chemical Nature. Вy Dr. T. E. ТноRPE, F.R.S., and J. W. RODGER.